The Neoloft, part of the manufacturer's Backpacking Comfort series, is a solid investment in sleeping comfort while still maintaining a reasonable weight class. This combination of comfort and warmth is hard to find in mats designed to be carried on your back! Inside the mat is the ContourCore Matrix air chamber system, a further development of the manufacturer's highly popular NeoAir mats. This structure prevents the warm air heated by your body from circulating with the cold air in contact with the mat's surface. Another difference from NeoAir mats is the longitudinal supports along the edges, which, together with the mat's width, help keep all limbs securely on the mat. Additionally, the surface material has some stretch, further enhancing the sleeping experience. - TwinLock valve: excellent airflow, easy to use with the included pump sack - Includes a stuff sack, pump sack, and repair kit - 3D Sidewall construction: the mat's edges are more angular than many air mats, allowing b